HA13557AFH Overview
This BO Driver for HDD application consists of Sensorless Spindle Driver and BTL type VCM Driver. Bipolar Process is applied and a “Soft Switching Circuit” for less mutation noise and a “Booster Circuit” for smaller Saturation Voltage of Output Transistor are also implemented.
HA13557AFH Key Features
- Soft Switching Driver Small Surface Mount Package: FP-48T (QFP48 Pin) Low thermal resistance: 30°C/W with 4 layer multi
- 2.2 A Max/3-phase motor driver 1.5 A Max BTL VCM Driver Auto retract Soft Switching Matrix Start up circuit Booster Spee
- NC : No internal connection Please note that there is no isolation check between pin 34 and pin 35 at the testing of thi